kernel upgrade vs dist-upgrade

[ilias seperis]

Geia sas paides, 

Esto oti exoume ena sistima debian 5 kai theloume na to kanoume upgrade gia na paizei se kanena neo hardware.
Pia lisi tha protimousate? kernel upgrade (download apo kernel.org kai compile) h' dist-upgrade?
Emeis dokimasame tin proti lisi (gia pio grigora), epeje mia xara ektos apo kati benchmarks tou pgbench pou itan tragika (eos kai 2-3 fores pio argo).

Katopin eortis eidame oti oi kernels >=3.5.3 exoun ena bug/feature, gia to opoio exei bouijei o topos, oti rixnei poli to performace stin pgsql. Dokimasame omos kai allous kernels (3.2, 3.4, 3.5.2) kai kanoun akribos to idio problima.
Pragma to opoio mas bazei skepseis oti mipos telika den einai kai toso kali idea na kaneis upgrade mono ton kernel alla na paei paketo kai olo to userland h' oti kapoia mlkia kanoume emeis (dokimasame kai diafora tweaks se /proc h' options stous kernels mipos blepame beltiosi, alla tpt).

Kamia idea sxetika?:)

Euxaristo
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